#include<iostream.h>
bool divide(int const *);
bool check(int const *,int,int);
void main()
{
	int i,marbles[7],w=0,k=0;
	bool ans;
	for(i=1;i<=6;i++)
	{
		cin>>marbles[i];
		w=marbles[i]+w;
	}
	while(w!=0)
	{
		ans=divide(marbles);
		k++;
		if(ans==1)
			cout<<"Collection #"<<k<<":"<<endl<<"Can be divided."<<endl<<endl;
		else
			cout<<"Collection #"<<k<<":"<<endl<<"Can't be divided."<<endl<<endl;
		w=0;
		for(i=1;i<=6;i++)
		{
			cin>>marbles[i];
			w=marbles[i]+w;
		}
	}
}
bool divide(int const *pm)
{
	long total=0,oneget,left;
	int i;
	for(i=1;i<=6;i++)
	{
		total=total+(*(pm+i))*i;
	}
	if(total%2!=0)
		return 0;
	else
	{
		oneget=total/2;
		for(i=6;i>=1;i--)
		{
			left=oneget-(*(pm+i))*i;
			if(left>0)
				oneget=left;
		    if(left==0)
				return 1;
			if(left<0)
				return check(pm,oneget,i);
		}
	}
	return 0;
}
bool check(int const *ppm,int remain,int i1)
{
	int n;
	while((remain>0)&&(i1>=1))
	{
		n=remain/i1;
		if(n<=*(ppm+i1))
		{
			remain=remain-n*i1;
			i1--;
		}
		else
		{
			remain=remain-(*(ppm+i1))*i1;
			i1--;
		}
	}
	if(remain==0)
		return 1;
	else 
		return 0;
}